Delaying an adolescent’s school start time by one hour has a positive effect on his or her cognitive performance, according to a research abstract presented at Sleep 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS).
The study, authored by Orna Tzischinsky, PhD, of Emek Yezreel College in Israel, focused on 47 eighth graders from two classes, who were divided into experimental and control groups for a two-week period. On week one, the experimental class began their school day one hour later than usual 8:30 a.m. start time. The control class, however, started right on time, as far as the school district was concerned: promptly at 7:30 a.m. On week two, both classes began at 7:30 a.m.
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The overlap syndrome: chronic obstructive pulmonary disease and obstructive sleep apnea.
Two doctors, D. Hiestand and B. Phillips, working in the division of Pulmonary, Critical Care, and Sleep Medicine at the University of Kentucky College of Medicine, say that clinical trials focused on sleep apnea and chronic obstructive pulmonary disease (COPD) are "urgently needed."
The duo says COPD and sleep apnea form what’s called an overlap syndrome and that overlap defines the relationship between the two serious respiratory disorders.
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Respironics announced the addition of its first full-face gel mask, the ComfortGel Full, which is part of the company’s Comfort Series line of masks.
With an all-new design and popular components, the ComfortGel Full mask brings the natural comfort and seal benefits of Respironics’ gel technology to full-face mask wearers, while offering the convenience and practicality of a replaceable cushion design to providers.
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Neuroscience researchers at the Duke-NUS Graduate Medical School, located in Singapore, have shown for the first time what happens to the visual perceptions of healthy but sleep-deprived volunteers who fight to stay awake, like people who try to drive through the night.
The scientists found that even after sleep deprivation, people had periods of near-normal brain function in which they could finish tasks quickly. This normalcy mixed with periods of slow response and severe drops in visual processing and attention, according to their paper, published in the May 21, 2008 edition of Journal of Neuroscience.
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